Completed Activity

solution_queries.sql

@@ -0,0 +1,70 @@
+-- Part 1
+-- Write a query to display each customer’s name (asCustomer Name) alongside the name of the employee who is responsible for that customer’s orders.
+-- The employee name should be in a single Sales Rep column formatted as lastName, firstName. The output should be sorted alphabetically by customer name.
+
+SELECT customers.customerName, CONCAT(employees.lastName,", ", employees.firstName) AS Sales_Rep
+FROM CUSTOMERS 
+LEFT JOIN EMPLOYEES ON CUSTOMERS.salesRepEmployeeNumber=employees.employeeNumber 
+ORDER BY customers.customerName ASC;
+
+
+-- Part 2
+-- Determine which products are most popular with our customers.
+-- For each product, list the total quantity ordered along with the total sale generated (total quantity ordered * priceEach) for that product.
+-- The column headers should be Product Name, Total # Ordered and Total Sale.
+-- List the products by Total Sale descending.
+
+SELECT * FROM products;
+SELECT * FROM payments;
+SELECT * FROM orderdetails;
+SELECT productName AS 'Product Name',(quantityOrdered * priceEach) AS 'Total sale' 
+FROM products JOIN orderdetails ON products.productcode=orderdetails.productcode 
+ORDER BY  (quantityOrdered * priceEach) desc;
+
+-- Part 3
+-- Write a query which lists order status and the # of orders with that status.
+-- Column headers should be Order Status and # Orders.
+-- Sort alphabetically by status.
+
+SELECT status AS "ORDER STATUS", count(*) AS "# ORDERS" FROM orders GROUP BY STATUS ORDER BY STATUS ASC;
+
+
+
+
+-- Part 4
+-- Write a query to list, for each product line, the total # of products sold from that product line.
+-- The first column should be Product Line and the second should be # Sold.
+-- Order by the second column descending.
+
+SELECT products.productLine AS 'Product Line', sum(quantityOrdered) AS '#Sold'
+FROM products 
+JOIN orderdetails ON products.productCode = orderdetails.productCode
+JOIN productlines ON productlines.productLine = products.productLine
+GROUP BY products.productline
+ORDER BY sum(quantityOrdered) DESC;
+
+-- Part 5
+-- For each employee who represents customers, output the total # of orders that employee’s customers have placed alongside the total sale amount of those orders.
+-- The employee name should be output as a single column named Sales Rep formatted as lastName, firstName.
+-- The second column should be titled # Orders and the third should be Total Sales.
+-- Sort the output by Total Sales descending.
+-- Only (and all) employees with the job title Sales Rep should be included in the output, and if the employee made no sales the Total Sales should display as 0.00.
+
+SELECT CONCAT(employees.lastName,employees.firstName) AS 'Sales Rep',
+COUNT(quantityOrdered) AS  '#ORDERS',
+IFNULL((quantityOrdered*priceEach), 0.00) AS 'Total Sales'
+FROM employees 
+LEFT JOIN customers ON employees.employeeNumber = customers.salesRepEmployeeNumber
+LEFT JOIN orders ON customers.customerNumber=orders.customerNumber
+LEFT JOIN orderdetails ON orders.orderNumber=orderdetails.orderNumber
+WHERE employees.jobTitle = 'Sales Rep'
+GROUP BY CONCAT(employees.employeeNumber) ,'#ORDERS'
+ORDER BY (quantityOrdered*priceEach)  DESC;
+
+-- Part 6
+-- Your product team is requesting data to help them create a bar-chart of monthly sales since the company’s inception.
+-- Write a query to output the month (January, February, etc.), 4-digit year, and total sales for that month.
+-- The first column should be labeled Month, the second Year, and the third should be Payments Received.
+-- Values in the third column should be formatted as numbers with two decimals – for example: 694,292.68.
+SELECT MONTHNAME(paymentdate) AS Month,extract(year FROM paymentdate) AS Year, sum(amount) AS 'Payments Received'
+FROM payments GROUP BY 1,2 ORDER BY Year(paymentdate), MONTH(paymentdate) ASC;